* Re-gen proto * Fix MsgRewardsOptOut * Remove pysha3 dependency
0.5.8.8
* Add grpc_explorer_endpoint in Network * Add explorer channel and stub
*BREAKING CHANGES*
- Clients using [Custom Network](https://github.com/InjectiveLabs/sdk-python/blob/master/pyinjective/constant.py#L166) must now set grpc_explorer_endpoint during init